Use a fixed random seed per default.

To get back the old behavior, use "make randomseed=0 ...".

BUG=v8:1880,v8:2885
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/64093003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17555 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Defer allocation of constant literal properties.

This moves building of constant properties and elements arrays for all
materialized literals into the compiler. The parser no longer allocates
while parsing ObjectLiteral and ArrayLiteral expressions.

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/61873003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17557 ce2b1a6d-e550-0410-aec6-3dcde31c8c00